import vue from "@vitejs/plugin-vue";
import { type UserConfig, type ConfigEnv, loadEnv, defineConfig } from "vite";

// 配置自动导出插件unplugin   自动导出插件要和elemenntplus一起用
import AutoImport from "unplugin-auto-import/vite";
import Components from "unplugin-vue-components/vite";
import { ElementPlusResolver } from "unplugin-vue-components/resolvers";
import Icons from "unplugin-icons/vite";
import IconsResolver from "unplugin-icons/resolver";

// mock插件  模拟数据
import mockDevServerPlugin from "vite-plugin-mock-dev-server";

// 导入插件实现svg图标本地化
import { createSvgIconsPlugin } from "vite-plugin-svg-icons";

// css原子化 有利于css计算页面加载速度
import UnoCSS from "unocss/vite";

import {
    name,
    version,
    engines,
    dependencies,
    devDependencies,
} from "./package.json";

import { resolve } from "path";

// 平台的名称、版本、运行所需的 node 版本、依赖、构建时间的类型提示
const __APP_INFO__ = {
    pkg: { name, version, engines, dependencies, devDependencies },
    buildTimestamp: Date.now(),
};

// 配置路径别名 __dirname代表当前路径 pathSrc表示当前路径+src
const pathSrc = resolve(__dirname, "src");

// vite 配置教程 https://vite.dev/config/
export default defineConfig(({ mode }: ConfigEnv): UserConfig => {
    // 根据当前工作目录中的 `mode` 加载 .env 文件
    // 设置第三个参数为 '' 来加载所有环境变量，而不管是否有
    // `VITE_` 前缀。   mode是env文件  process.cwd()获取当前目录的文件
    const env = loadEnv(mode, process.cwd(), "");

    return {
        resolve: {
            alias: {
                "@": pathSrc,
            },
        },

        css: {
            // CSS 预处理器
            preprocessorOptions: {
                //define global scss variable
                scss: {
                    javascriptEnabled: true,
                    api: "modern-compiler",
                    additionalData: `
                @use "@/styles/variables.scss" as *;
                @use "@/styles/common.scss" as *;
              `,
                },
            },
        },

        server: {
            host: "0.0.0.0",
            port: +env.VITE_APP_PORT,
            open: true,
            proxy: {
                // 代理 /dev-api 的请求
                [env.VITE_APP_BASE_API]: {
                    changeOrigin: true,
                    // 代理目标地址：https://api.youlai.tech
                    target: env.VITE_APP_API_URL,
                    rewrite: (path) =>
                        path.replace(
                            new RegExp("^" + env.VITE_APP_BASE_API),
                            ""
                        ),
                },
            },
        },

        plugins: [
            vue(),
            UnoCSS({ hmrTopLevelAwait: false }),
            env.VITE_MOCK_DEV_SERVER === "true" ? mockDevServerPlugin() : null, // 是否使用mock数据
            AutoImport({
                // 自动导入 Vue 相关函数，如：ref, reactive, toRef 等
                imports: [
                    "vue",
                    "@vueuse/core",
                    "pinia",
                    "vue-router",
                    "vue-i18n",
                ],

                resolvers: [
                    // 自动导入 Element Plus 相关函数，如：ElMessage, ElMessageBox... (带样式)
                    ElementPlusResolver(),
                    // 自动导入图标组件
                    IconsResolver({}),
                ],

                eslintrc: {
                    enabled: true,
                    filepath: "./.eslintrc-auto-import.json",
                    globalsPropValue: true,
                },
                vueTemplate: true, // 是否在 vue 模板中自动导入

                // dts: false
                dts: resolve(pathSrc, "types", "auto-imports.d.ts"), // 指定自动导入函数TS类型声明文件路径
            }),

            Components({
                resolvers: [
                    // 自动导入 Element Plus 组件
                    ElementPlusResolver(),
                    // 自动注册图标组件
                    IconsResolver({
                        enabledCollections: ["ep"], // element-plus图标库，其他图标库 https://icon-sets.iconify.design/
                    }),
                ],
                // 指定自定义组件位置(默认:src/components)
                dirs: ["src/components", "src/**/components"],
                // 导入组件类型声明文件路径 (false:关闭自动生成)
                dts: resolve(pathSrc, "types", "components.d.ts"), // 指定自动导入函数TS类型声明文件路径
            }),

            createSvgIconsPlugin({
                // 缓存图标位置
                iconDirs: [resolve(pathSrc, "assets/icons")],
                symbolId: "icon-[dir]-[name]",
            }),

            Icons({
                // 自动安装图标库
                autoInstall: true,
            }),
        ],

        // 预加载项目必需的组件
        optimizeDeps: {
            include: [
                "vue",
                "vue-router",
                "element-plus",
                "pinia",
                "axios",
                "@vueuse/core",
                "sortablejs",
                "exceljs",
                "path-to-regexp",
                "echarts",
                "@wangeditor/editor",
                "@wangeditor/editor-for-vue",
                "vue-i18n",
                "path-browserify",
                "element-plus/es/components/form/style/css",
                "element-plus/es/components/form-item/style/css",
                "element-plus/es/components/button/style/css",
                "element-plus/es/components/input/style/css",
                "element-plus/es/components/input-number/style/css",
                "element-plus/es/components/switch/style/css",
                "element-plus/es/components/upload/style/css",
                "element-plus/es/components/menu/style/css",
                "element-plus/es/components/col/style/css",
                "element-plus/es/components/icon/style/css",
                "element-plus/es/components/row/style/css",
                "element-plus/es/components/tag/style/css",
                "element-plus/es/components/dialog/style/css",
                "element-plus/es/components/loading/style/css",
                "element-plus/es/components/radio/style/css",
                "element-plus/es/components/radio-group/style/css",
                "element-plus/es/components/popover/style/css",
                "element-plus/es/components/scrollbar/style/css",
                "element-plus/es/components/tooltip/style/css",
                "element-plus/es/components/dropdown/style/css",
                "element-plus/es/components/dropdown-menu/style/css",
                "element-plus/es/components/dropdown-item/style/css",
                "element-plus/es/components/sub-menu/style/css",
                "element-plus/es/components/menu-item/style/css",
                "element-plus/es/components/divider/style/css",
                "element-plus/es/components/card/style/css",
                "element-plus/es/components/link/style/css",
                "element-plus/es/components/breadcrumb/style/css",
                "element-plus/es/components/breadcrumb-item/style/css",
                "element-plus/es/components/table/style/css",
                "element-plus/es/components/tree-select/style/css",
                "element-plus/es/components/table-column/style/css",
                "element-plus/es/components/select/style/css",
                "element-plus/es/components/option/style/css",
                "element-plus/es/components/pagination/style/css",
                "element-plus/es/components/tree/style/css",
                "element-plus/es/components/alert/style/css",
                "element-plus/es/components/radio-button/style/css",
                "element-plus/es/components/checkbox-group/style/css",
                "element-plus/es/components/checkbox/style/css",
                "element-plus/es/components/tabs/style/css",
                "element-plus/es/components/tab-pane/style/css",
                "element-plus/es/components/rate/style/css",
                "element-plus/es/components/date-picker/style/css",
                "element-plus/es/components/notification/style/css",
                "element-plus/es/components/image/style/css",
                "element-plus/es/components/statistic/style/css",
                "element-plus/es/components/watermark/style/css",
                "element-plus/es/components/config-provider/style/css",
                "element-plus/es/components/text/style/css",
                "element-plus/es/components/drawer/style/css",
                "element-plus/es/components/color-picker/style/css",
                "element-plus/es/components/backtop/style/css",
                "element-plus/es/components/message-box/style/css",
                "element-plus/es/components/skeleton/style/css",
                "element-plus/es/components/skeleton/style/css",
                "element-plus/es/components/skeleton-item/style/css",
                "element-plus/es/components/badge/style/css",
                "element-plus/es/components/steps/style/css",
                "element-plus/es/components/step/style/css",
                "element-plus/es/components/avatar/style/css",
                "element-plus/es/components/descriptions/style/css",
                "element-plus/es/components/descriptions-item/style/css",
                "element-plus/es/components/checkbox-group/style/css",
                "element-plus/es/components/progress/style/css",
                "element-plus/es/components/image-viewer/style/css",
                "element-plus/es/components/empty/style/css",
            ],
        },

        // 构建配置
        build: {
            chunkSizeWarningLimit: 2000, // 消除打包大小超过500kb警告
            minify: "terser", // Vite 2.6.x 以上需要配置 minify: "terser", terserOptions 才能生效
            terserOptions: {
                compress: {
                    keep_infinity: true, // 防止 Infinity 被压缩成 1/0，这可能会导致 Chrome 上的性能问题
                    drop_console: true, // 生产环境去除 console
                    drop_debugger: true, // 生产环境去除 debugger
                },
                format: {
                    comments: false, // 删除注释
                },
            },
            rollupOptions: {
                output: {
                    // manualChunks: {
                    //   "vue-i18n": ["vue-i18n"],
                    // },
                    // 用于从入口点创建的块的打包输出格式[name]表示文件名,[hash]表示该文件内容hash值
                    entryFileNames: "js/[name].[hash].js",
                    // 用于命名代码拆分时创建的共享块的输出命名
                    chunkFileNames: "js/[name].[hash].js",
                    // 用于输出静态资源的命名，[ext]表示文件扩展名
                    assetFileNames: (assetInfo: any) => {
                        const info = assetInfo.name.split(".");
                        let extType = info[info.length - 1];
                        // console.log('文件信息', assetInfo.name)
                        if (
                            /\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/i.test(
                                assetInfo.name
                            )
                        ) {
                            extType = "media";
                        } else if (
                            /\.(png|jpe?g|gif|svg)(\?.*)?$/.test(assetInfo.name)
                        ) {
                            extType = "img";
                        } else if (
                            /\.(woff2?|eot|ttf|otf)(\?.*)?$/i.test(
                                assetInfo.name
                            )
                        ) {
                            extType = "fonts";
                        }
                        return `${extType}/[name].[hash].[ext]`;
                    },
                },
            },
        },

        define: {
            __APP_INFO__: JSON.stringify(__APP_INFO__),
        },
    };
});
